F02M 26/56
Having pressure modulation valves
Official title: having pressure modulation valves
F02M26/56 (Having pressure modulation valves) appears on 492 US grants and 45 published applications in this corpus.
Search patents in F02M- Granted patents
- 492
- Published applications
- 45
- Assignees
- 103
- Inventors
- 657
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 28 | 0 |
| 1978 | 39 | 0 |
| 1979 | 47 | 0 |
| 1980 | 47 | 0 |
| 1981 | 40 | 0 |
| 1982 | 28 | 0 |
| 1983 | 29 | 0 |
| 1984 | 32 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 2 |
| 2002 | 12 | 7 |
| 2003 | 8 | 6 |
| 2004 | 3 | 2 |
| 2005 | 9 | 8 |
| 2006 | 6 | 2 |
| 2007 | 3 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Exhaust gas recirculation valve assembly4 Mar 2025US 12,241,435 B2Power Packer North America, Inc.
- Modulating bypass valve23 May 2017US 9,657,689 B2International Engine Intellectual Property Comapny, LLC.
- Exhaust system for internal combustion engine2 Aug 2016US 9,404,444 B2Denso Corporation
- Automotive virtual humidity sensor3 May 2016US 9,328,698 B2Ford Global Technologies, LLC
- Engine9 Jun 2015US 9,051,904 B2Yanmar Co., Ltd.
- Exhaust gas recirculation valve assembly29 May 2025US 2025/0172112 A1Power Packer North America, Inc.
- Exhaust gas recirculation valve assembly22 Aug 2024US 2024/0280070 A1Power Packer North America, Inc.
- Reducing fuel consumption of spark ignition engines15 Oct 2020US 2020/0325862 A1
- Reducing fuel consumption of spark ignition engines25 Jul 2019US 2019/0226431 A1
- Reducing fuel consumption of spark ignition engines10 May 2018US 2018/0128216 A1
Most cited
By later US patents
- Fault diagnostic system for vehicles using identification and program codes172US 5,491,631 AHonda Giken Kogyo Kabushiki Kaisha · 1996
- Sequential turbocharger system for an internal combustion engine135US 5,142,866 AToyota Jidosha Kabushiki Kaisha · 1992
- Throttle control system for internal combustion engine with vehicle driving condition-dependent throttle angle correction coefficient variable95US 4,962,570 ANissan Motor Co., Ltd. · 1990
- Control scheme for exhaust gas circulation system86US 6,886,545 B1Haldex Hydraulics Corporation · 2005
- Combustion control of diesel engine79US 6,886,334 B2Nissan Motor Co., Ltd. · 2005